1. Simplifying Tests by Extracting Side-Effects

  2. Testing Objects with a Functional Mindset

  3. Type systems and checking in Elixir and Ruby

  4. The Self-Contained Test

  5. New online workshop: Protect your Rails app against security threats during COVID-19

  6. Web Security During the COVID-19 Pandemic

  7. Recurring Events and PostgreSQL

  8. A maintained fork of Paperclip

  9. Decimating deprecated finders

  10. Faking External Services in Tests with Adapters

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